Requesting [e-mail]???

[Neal Becker]

ssh -v nbecker7
...

Authenticated to nbecker7 ([10.32.112.225]:22).
debug1: channel 0: new [client-session]
debug1: Requesting [e-mail]
...

What is that??

[Michael Schwendt]

On Tue, 30 Dec 2014 08:10:58 -0500, Neal Becker wrote:
> ssh -v nbecker7
> ...
>
> Authenticated to nbecker7 ([10.32.112.225]:22).
> debug1: channel 0: new [client-session]
> debug1: Requesting [e-mail]
> ...
>
> What is that??

$ rpm -qd openssh
  /usr/share/doc/openssh/CREDITS
  /usr/share/doc/openssh/ChangeLog
  /usr/share/doc/openssh/INSTALL
  /usr/share/doc/openssh/OVERVIEW
* /usr/share/doc/openssh/PROTOCOL
  /usr/share/doc/openssh/PROTOCOL.agent
  /usr/share/doc/openssh/PROTOCOL.certkeys
  /usr/share/doc/openssh/PROTOCOL.chacha20poly1305
  /usr/share/doc/openssh/PROTOCOL.key
  /usr/share/doc/openssh/PROTOCOL.krl
  /usr/share/doc/openssh/PROTOCOL.mux
  /usr/share/doc/openssh/README
  /usr/share/doc/openssh/README.dns
  /usr/share/doc/openssh/README.platform
  /usr/share/doc/openssh/README.privsep
  /usr/share/doc/openssh/README.tun
  /usr/share/doc/openssh/TODO
  /usr/share/man/man1/ssh-keygen.1.gz
  /usr/share/man/man8/ssh-keysign.8.gz

Beyond that documentation, this is Open Source Software. ;-)

[Andy Blanchard]

Search engines are your friend.  From the release notes:

Added a [e-mail] global request extension that is
sent from ssh(1) to sshd(8) when the client knows that it will never
request another session (i.e. when session multiplexing is disabled).
This allows a server to disallow further session requests and
terminate the session in cases where the client has been hijacked.

So, because there is no way for your client to open another session
(as opposed to a totally seperate connection), SSH is telling the
server to refuse any such attempts as they must be malicious.

Andy

On 30 December 2014 at 13:16, Michael Schwendt  wrote:
> On Tue, 30 Dec 2014 08:10:58 -0500, Neal Becker wrote:
> > ssh -v nbecker7
> > ...
> >
> > Authenticated to nbecker7 ([10.32.112.225]:22).
> > debug1: channel 0: new [client-session]
> > debug1: Requesting [e-mail]
> > ...
> >
> > What is that??
>
> $ rpm -qd openssh
>   /usr/share/doc/openssh/CREDITS
>   /usr/share/doc/openssh/ChangeLog
>   /usr/share/doc/openssh/INSTALL
>   /usr/share/doc/openssh/OVERVIEW
> /usr/share/doc/openssh/PROTOCOL
> /usr/share/doc/openssh/PROTOCOL.agent
> /usr/share/doc/openssh/PROTOCOL.certkeys
> /usr/share/doc/openssh/PROTOCOL.chacha20poly1305
> /usr/share/doc/openssh/PROTOCOL.key
> /usr/share/doc/openssh/PROTOCOL.krl
> /usr/share/doc/openssh/PROTOCOL.mux
> /usr/share/doc/openssh/README
> /usr/share/doc/openssh/README.dns
> /usr/share/doc/openssh/README.platform
> /usr/share/doc/openssh/README.privsep
> /usr/share/doc/openssh/README.tun
> /usr/share/doc/openssh/TODO
> /usr/share/man/man1/ssh-keygen.1.gz
> /usr/share/man/man8/ssh-keysign.8.gz
> Beyond that documentation, this is Open Source Software. ;-)
>
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